The branch main has been updated by fernape:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=bc0c6c9cf3a9f9a54dbdd92dd8f1f65ff8092d17

commit bc0c6c9cf3a9f9a54dbdd92dd8f1f65ff8092d17
Author:     Fernando Apesteguía <fern...@freebsd.org>
AuthorDate: 2023-04-19 16:08:47 +0000
Commit:     Fernando Apesteguía <fern...@freebsd.org>
CommitDate: 2024-04-14 17:46:23 +0000

    freebsd-update: Add check for kernel modules
    
    People get confused when some software (VirtualBox, etc) does not work as
    expected (or at all) after a major upgrade.
    
    We have a nice way to deal with this when using sources, namely including
    PORTS_MODULES in /etc/make.conf, but we lack something similar for binary
    updates.
    
    This patch retrieves a list of kernel modules installed from packages and
    advises the user to recompile from ports to avoid problems.
    
    Approved by:            zlei@
    Differential Revision:  https://reviews.freebsd.org/D39695
---
 usr.sbin/freebsd-update/freebsd-update.sh | 58 +++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)

diff --git a/usr.sbin/freebsd-update/freebsd-update.sh 
b/usr.sbin/freebsd-update/freebsd-update.sh
index 4a6a8d78330b..d1cd46963a6c 100644
--- a/usr.sbin/freebsd-update/freebsd-update.sh
+++ b/usr.sbin/freebsd-update/freebsd-update.sh
@@ -655,6 +655,63 @@ fetch_setup_verboselevel () {
        esac
 }
 
+# Check if there are any kernel modules installed from ports.
+# In that case warn the user that a rebuild from ports (i.e. not from
+# packages) might need necessary for the modules to work in the new release.
+upgrade_check_kmod_ports() {
+       local mod_name
+       local modules
+       local pattern
+       local pkg_name
+       local port_name
+       local report
+       local w
+
+       if ! command -v pkg >/dev/null; then
+               echo "Skipping kernel modules check. pkg(8) not present."
+               return
+       fi
+
+       # Most modules are in /boot/modules but we should actually look
+       # in every path configured in module_path
+       search_files="/boot/defaults/loader.conf /boot/loader.conf"
+       pattern=$(grep -shE '^module_path=' ${search_files} |
+               tail -1 |
+               cut -f2 -d\" |
+               tr ";" "|")
+
+       if [ -z "${pattern}" ]; then
+               # Not having module_path in loader.conf is probably an error.
+               # Check at least the most common path
+               pattern="/boot/modules"
+       fi
+
+       # Check the pkg database for modules installed in those directories
+       modules=$(pkg query '%Fp' | grep -E "${pattern}")
+
+       if [ -z "${modules}" ]; then
+               return
+       fi
+
+       echo -e "\n"
+       echo "The following modules have been installed from packages."
+       echo "As a consequence they might not work when performing a major or 
minor upgrade."
+       echo -e "It is advised to rebuild these ports:\n"
+
+
+       report="Module Package Port\n------ ------- ----\n"
+       for module in ${modules}; do
+               w=$(pkg which "${module}")
+               mod_name=$(echo "${w}" | awk '{print $1;}')
+               pkg_name=$(echo "${w}" | awk '{print $6;}')
+               port_name=$(pkg info -o "${pkg_name}" | awk '{print $2;}')
+               report="${report}${mod_name} ${pkg_name} ${port_name}\n"
+       done
+
+       echo -e "${report}" | column -t
+       echo -e "\n"
+}
+
 # Perform sanity checks and set some final parameters
 # in preparation for fetching files.  Figure out which
 # set of updates should be downloaded: If the user is
@@ -3466,6 +3523,7 @@ cmd_cron () {
 cmd_upgrade () {
        finalize_components_config ${COMPONENTS}
        upgrade_check_params
+       upgrade_check_kmod_ports
        upgrade_run || exit 1
 }
 

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